Arcadia, MO · standard
ZIP Code 63621
Iron County, Missouri - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,228
- 7/sq mi Low-density area
- $87,825
- Median income Above-median income area
- $175,300
- Median home value Near-median home value
- 14.2%
- Bachelor's or higher Below-average bachelor's attainment
National ZIP placement
Arcadia pairs an above-median household income with below-median home values, in a rural, homeowner-dominated area.
- Top 29%
- household income, US ZIPs
- 36th pct
- home value, US ZIPs
- 7
- people per sq mi
- 87%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 63621 against every reporting US ZIP.
ZIP code 63621 is a sparsely populated ZIP (a standard USPS delivery area) in Arcadia, Iron County, Missouri, home to just 1,228 residents across 170.6 square miles, a density of 7 people per square mile, in the Chicago time zone.
ZIP 63621 lands in the middle-income range, with a median household income of $87,825 (31% above the average Missouri ZIP), while per-capita income is $34,804. The poverty rate is 18.3%, with unemployment at 0.3%; those measures add context to the income figure. Median home value is $175,300 (8% below the average Missouri ZIP); 86.5% of occupied homes are owner-occupied.
Formal educational attainment runs low here: just 14.2% of adults hold a bachelor's degree or higher, the median age is 48, and the average commute is -. The page also surfaces 3 ZIP codes within roughly 10 miles and 6 more in Iron County, so 63621 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 63621, Arcadia, MO · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
1,228
Population
170.6
Area (sq mi)
7
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 63621?
48.0
Median Age
43.2%
Male
56.8%
Female
0.4%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$87,825
Median Household Income
+31% vs state ZIP avg
$34,804
Per Capita Income
18.3%
Poverty Rate
0.3%
Unemployment Rate
How ZIP 63621 ranks among Missouri ZIPs
Arcadia, MO household income vs. every Missouri ZIP code
Median household income among 948 reporting Missouri ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$87,825 Top 15% higher than 85% of 948 Missouri ZIPs
Each bar is a $20K-wide band; taller bars hold more Missouri ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
659housing units
659
Total Housing Units
607
Occupied Units
52
Vacant Units
2.69
Avg Household Size
Occupancy Type
$175,300
Median Home Value
-8% vs state ZIP avg
1976
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 24 business establishments in ZIP 63621, employing approximately 130 people with a combined annual payroll of $2,722,000.
24
Businesses
130
Employees
$2.7M
Annual Payroll
2
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 5 | 20.8% |
| Other services (except public administration) | 3 | 12.5% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 63621 vs 63620 →
ZIP 63621 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 63650
Ironton (63650)
4,401 residents
- 63620 1,619
Annapolis (63620)
1,619 residents
- 63621 1,228
Arcadia (63621)
1,228 residents
- 63663 723
Pilot Knob (63663)
723 residents
What this shows Among its immediate neighbors, ZIP 63621 ranks #3 by population - useful context the national average alone can't give.
ZIP 63621 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 63621
Arcadia (63621)
$87,825 median income
- 63650
Ironton (63650)
$50,183 median income
- 63663
Pilot Knob (63663)
$44,750 median income
- 63620
Annapolis (63620)
$42,426 median income
What this shows By household income, ZIP 63621 ranks the highest of 4 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 63621, both outside MO so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,228 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Iron County
Related Areas
Frequently Asked Questions
What county is ZIP code 63621 in?
ZIP code 63621 (Arcadia) is located in Iron County, Missouri. Iron County contains multiple ZIP codes, see the full list at /counties/iron-mo.
What is the population of ZIP code 63621?
ZIP code 63621 in Arcadia, MO has a population of 1,228 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 63621?
The median household income in ZIP 63621 is $87,825, which is 15% above the national average of $76,288.
What is the average home value in ZIP 63621?
The median home value in ZIP 63621 is $175,300, which is 37% below the national average of $278,155.
What is the demographic makeup of ZIP 63621?
The largest racial group in ZIP 63621 is White at 98.2%. Hispanic or Latino residents make up 2.7% of the population.
How many businesses are in ZIP code 63621?
ZIP code 63621 has 24 business establishments employing approximately 130 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 63621?
In ZIP code 63621, 61.6% of residents aged 25+ have a high school diploma or higher, and 14.2% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 63621?
In ZIP code 63621, approximately 86.5% of occupied housing units are owner-occupied and 13.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 63621?
The poverty rate in ZIP code 63621 is 18.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 63621's numbers, next.
- See how ZIP 63621 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Arcadia, MO ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.